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OBX RX8 Header

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Old 10-11-2005, 09:29 PM
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how come the obx headder has holes for the air injection but the gasket dosent?
Old 10-12-2005, 03:19 AM
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Is there any weight difference between the OBX header and the stock one?
Old 10-12-2005, 04:56 AM
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i would like to get the RE header if i did
Old 10-12-2005, 06:36 AM
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This OBX header does look nice...
Old 10-12-2005, 09:31 PM
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dDub - take a photo of the inside so we can see the O2 bung hole - why does that sound like a Bevis quote
Old 10-12-2005, 09:49 PM
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Ask and ye shall receive.

Old 10-12-2005, 10:12 PM
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From the pics, the quality looks pretty good. I'd probably smooth out those welds at the 3 pipe junction a bit, but otherwise, not too shabby for $300 and change. And at 14.4lbs, I'd bet that's a significant weight savings over the cast stock manifold. What diameter piping is that?
Old 10-12-2005, 10:29 PM
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RE's bung holio



Someone PhotoChop this lighter for comparison
Old 10-12-2005, 10:39 PM
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much smoother
Old 10-12-2005, 10:46 PM
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Originally Posted by therm8
From the pics, the quality looks pretty good. I'd probably smooth out those welds at the 3 pipe junction a bit, but otherwise, not too shabby for $300 and change. And at 14.4lbs, I'd bet that's a significant weight savings over the cast stock manifold. What diameter piping is that?
I paid 271 after shipping/insurance.

And it is 2.75" outlet.



And yah smoothing out the welds would be simple, its only that one spot that looks very messy.

Last edited by ddub; 10-12-2005 at 10:49 PM.
Old 10-12-2005, 10:50 PM
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I'm sorry if you already answered this, but are you going to dyno the before and after?
Old 10-12-2005, 11:15 PM
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Now you got me thinking about getting one of these when I get my high flow cat to go with my Racing Beat exhaust, so I would have a complete exhaust system
Old 10-12-2005, 11:47 PM
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dDub - when are you going to install it? I'm out of town next week, but would like to see it in person.
Old 10-13-2005, 12:04 AM
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Originally Posted by unreal89
I'm sorry if you already answered this, but are you going to dyno the before and after?
Probably not, I want to do the whole exhaust system at once so I only have to do the unbolting/swapping one time, plus dynos are expensive for a poor college kid/independent rx7 mechanic like me so I don't see justification in dynoing before and after a header, it can get costly having to dyno twice setup/minimum fee. Plus to get an accurate dyno if you're not doing it the same day, the conditions will have to be very close or it'll have to be SAE corrected, and many dyno runs would have to be done rather than just 1 each time.

Last edited by ddub; 10-13-2005 at 12:11 AM.
Old 10-13-2005, 12:06 AM
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Originally Posted by Nemesis8
dDub - when are you going to install it? I'm out of town next week, but would like to see it in person.
As stated above, probably not soon since I want to do full exhaust all at once. Still working on a deal for buying someone's exhaust, but I haven't heard back from him in a while so I may just go ahead and get a new one. Then I have to put in my order for the RP supercat midpipe :D

Did you want to see it in person uninstalled? If so it'll be a while so we can do that if you'd like. I can meet you somewhere and show it to you, PM me and I'm sure we can work something out.
Old 10-13-2005, 06:32 AM
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I should be dynoing mines in the next week or so just want to buy the intercepter unit and dyno everything at the same time.Saving my pennies :D
Old 10-13-2005, 11:29 AM
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any drive difference with the new header ??
more power
more noisy ?
Old 10-13-2005, 11:49 AM
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He didnt install it yet.
Old 10-13-2005, 01:15 PM
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if all goes well with you guys ill get one too
Old 10-13-2005, 01:22 PM
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^i'm in on that too
Old 10-15-2005, 04:43 PM
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up

waiting for your review after fitting before buying ....
Old 10-15-2005, 05:17 PM
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must know bout header put on and give review now!!!!!!
Old 10-15-2005, 05:44 PM
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haa i need to get a ecu unit first and right now things are not looking good IAM DEAD BROKE
Old 10-15-2005, 06:04 PM
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I have known OBX to be a very reputable company. Their stainless steel header at that price is a steal.

Can't wait to hear from dDuB when he install his header...or anyone who had this header installed on their RX-8.
Old 10-15-2005, 08:50 PM
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Originally Posted by hookupshop
...or anyone who had this header installed on their RX-8.
Need For Speed has the original RE header installed. He said he dynoed 5 RWHP with it.


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